On Tue, May 15, 2018 at 04:06:26PM +0800, Shawn Guo wrote: > On Mon, May 14, 2018 at 03:29:35PM -0300, Fabio Estevam wrote: > > From: Fabio Estevam <fabio.estevam@xxxxxxx> > > > > Currently the following DTC warning is seen with W=1: > > > > arch/arm/boot/dts/imx51-babbage.dtb: Warning (unique_unit_address): /usbphy/usbphy@0: duplicate unit-address (also used in node /usbphy/usbh1phy@0) > > > > Fix it by moving the USB PHY node outside of simple-bus and drop the > > unneeded unit-address. > > > > Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> > > --- > > arch/arm/boot/dts/imx51-babbage.dts | 21 +++++++-------------- > > 1 file changed, 7 insertions(+), 14 deletions(-) > > > > diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts > > index b8ca73d..de46906 100644 > > --- a/arch/arm/boot/dts/imx51-babbage.dts > > +++ b/arch/arm/boot/dts/imx51-babbage.dts > > @@ -170,20 +170,13 @@ > > mux-ext-port = <3>; > > }; > > > > - usbphy { > > - #address-cells = <1>; > > - #size-cells = <0>; > > - compatible = "simple-bus"; > > - > > - usbh1phy: usbh1phy@0 { > > - compatible = "usb-nop-xceiv"; > > - reg = <0>; > > - clocks = <&clk_usb>; > > - clock-names = "main_clk"; > > - reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; > > - vcc-supply = <&vusb_reg>; > > - #phy-cells = <0>; > > - }; > > + usbh1phy: usbphy1 { > > + compatible = "usb-nop-xceiv"; > > + clocks = <&clk_usb>; > > + clock-names = "main_clk"; > > + reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; > > + vcc-supply = <&vusb_reg>; > > + #phy-cells = <0>; > > This should be considered as a whole together with usbphy in imx51.dtsi. > Also, I would like to get some input from DT folks on how we should name > the node uniquely. @Rob. 'usbphy1' is fine. I don't have a better suggestion... Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html